Suppose a study finds a positive correlation between the number of TV sets in th

Question

Suppose a study finds a positive correlation between the number of TV sets in the home of high school seniors and their admission rate into college. Which of the following might we conclude from this data?

A.The increase in home TV sets improves the likelihood of college admission.

B.There may be a third variable that creates a link between the number of TVs in the home and college admission rate.

C.Better students tend to have a TV set available.

D.This is an anomaly and there is no relationship between TVs in the home and college admission rate.

Explanation / Answer

B.There may be a third variable that creates a link between the number of TVs in the home and college admission rate.

Explanation:Spurious correlation is often a result of a third factor that is not apparent at the time of examination.In many cases we often find these kind of factor which is responsible for this kind of correlation.

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